Search a number
-
+
12633446742 = 2371717693903
BaseRepresentation
bin10111100010000001…
…10001100101010110
31012121110001120220220
423301000301211112
5201333130243432
65445334335210
7625032345150
oct136100614526
935543046826
1012633446742
1153a3284584
122546aba506
131264471197
1487bbcdad0
154de19872c
hex2f1031956

12633446742 has 32 divisors (see below), whose sum is σ = 30575066112. Its totient is φ = 3397229184.

The previous prime is 12633446723. The next prime is 12633446773. The reversal of 12633446742 is 24764433621.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 12633446694 and 12633446703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8846238 + ... + 8847665.

It is an arithmetic number, because the mean of its divisors is an integer number (955470816).

Almost surely, 212633446742 is an apocalyptic number.

12633446742 is an abundant number, since it is smaller than the sum of its proper divisors (17941619370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12633446742 is a wasteful number, since it uses less digits than its factorization.

12633446742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693932.

The product of its digits is 580608, while the sum is 42.

The spelling of 12633446742 in words is "twelve billion, six hundred thirty-three million, four hundred forty-six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 17693903 35387806 53081709 106163418 123857321 247714642 300796351 371571963 601592702 743143926 902389053 1804778106 2105574457 4211148914 6316723371 12633446742